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nix-auto-installer/installer.nix
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2025-07-21 18:40:52 +10:00

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{ lib, pkgs, modulesPath, config, ... }:
{
imports = [
"${modulesPath}/installer/cd-dvd/installation-cd-minimal.nix"
];
networking.useDHCP = lib.mkDefault true;
time.timeZone = "Australia/Brisbane";
services.openssh.enable = true;
services.openssh.settings.PermitRootLogin = "yes";
environment.systemPackages = with pkgs; [
git curl parted e2fsprogs btrfs-progs util-linux
];
# environment.etc."flake-url".text = "git+https://gitea.lan.ddnsgeek.com/beatzaplenty/nixos.git?ref=main#nixos";
environment.etc."git-credentials".text =
"https://beatzaplenty:2b7e178eeee4af437fc721295d59e9e19366fd02@gitea.lan.ddnsgeek.com";
#programs.git.enable = true;
#programs.git.extraConfig."credential.helper" = "store --file=/etc/git-credentials";
programs.git = {
enable = true;
package = pkgs.git;
config = {
credential.helper = "store --file=/etc/git-credentials";
};
};
# Write auto-install script to /root
environment.etc."auto-install.sh".text = ''
#!/run/current-system/sw/bin/bash
set -eux
set -euo pipefail
FLAKE_BASE_URL="git+https://gitea.lan.ddnsgeek.com/beatzaplenty/nixos.git"
# Menu options
options=("nixos" "docker" "server" "nix-cache" "nix-minimal")
echo "Choose the flake profile to install:"
select choice in "${options[@]}"; do
if [[ -n "$choice" ]]; then
echo "You selected: $choice"
break
else
echo "Invalid selection. Try again."
fi
done
echo "Starting install with flake: ${FLAKE_BASE_URL}#${choice}"
# Optional: confirm before proceeding
read -rp "Proceed with installation? (y/N): " confirm
if [[ ! "$confirm" =~ ^[Yy]$ ]]; then
echo "Aborted."
exit 1
fi
parted -s /dev/sda -- mklabel msdos
parted -s /dev/sda -- mkpart primary 1MB -8GB
parted -s /dev/sda -- set 1 boot on
parted -s /dev/sda -- mkpart primary linux-swap -8GB 100%
mkfs.ext4 -L nixos /dev/sda1
mkswap -L swap /dev/sda2
swapon /dev/sda2
sleep 10
mount /dev/disk/by-label/nixos /mnt
mkdir -p /mnt/install-tmp
export TMPDIR=/mnt/install-tmp
nixos-install --flake "${FLAKE_BASE_URL}#${choice}" --no-root-password --no-write-lock-file
rm -rf /mnt/install-tmp
sleep 10
reboot
'';
# environment.etc."auto-install.sh".mode = "0755";
# Trigger the script from nixos user's shell
# environment.etc."nixos/.bashrc".text = ''
# # Run installer only once
# if [ -n "$PS1" ] && [ ! -e ~/.auto_install_ran ]; then
# sudo /etc/auto-install.sh
# touch ~/.auto_install_ran
# fi
# '';
# environment.etc."nixos/.bashrc".mode = "0755";
#Set root password
users.users.root = {
hashedPassword = "$6$Kwv9KAyvcurAViQF$H4.u3feqGE7lVoNgkFXhE3n2Pmo//9JYDTCz8ifrVHBxPjwa1xMby7tEZ8Bpt5MXs9Rkx6/YbZWxs5CpH0s/70";
};
# Define a user account. Don't forget to set a password with passwd.
users.users.nixos = {
isNormalUser = true;
extraGroups = [ "wheel" ]; # Enable sudo for the user.
packages = with pkgs; [
tree
];
hashedPassword = "$6$Kwv9KAyvcurAViQF$H4.u3feqGE7lVoNgkFXhE3n2Pmo//9JYDTCz8ifrVHBxPjwa1xMby7tEZ8Bpt5MXs9Rkx6/YbZWxs5CpH0s/70";
openssh.authorizedKeys.keys = [
"ssh-rsa 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 wayne@stream"
];
home = "/home/nixos";
createHome = true;
shell = pkgs.bashInteractive;
};
# environment.etc."auto-install.sh".source = ./auto-install.sh;
environment.etc."auto-install.sh".mode = "0755";
# environment.etc."home/nixos/.bashrc".text = ''
# if [ -n "$PS1" ] && [ ! -e ~/.auto_install_ran ]; then
# sudo /etc/auto-install.sh
# touch ~/.auto_install_ran
# fi
# '';
# environment.etc."home/nixos/.bashrc".mode = "0644";
# Write .bashrc into the user's home directory
# environment.etc."bashrc-nixos".source = pkgs.writeText "bashrc-nixos" ''
# if [ -n "$PS1" ] && [ ! -e ~/.auto_install_ran ]; then
# sudo /etc/auto-install.sh
# touch ~/.auto_install_ran
# fi
# '';
system.activationScripts.installBashProfile = {
text = ''
mkdir -p /home/nixos
cp -f ${config.environment.etc."bash_profile-nixos".source} /home/nixos/.bash_profile
chown nixos:nixos /home/nixos/.bash_profile
chmod 644 /home/nixos/.bash_profile
'';
};
environment.etc."bash_profile-nixos".source = pkgs.writeText "bash_profile-nixos" ''
if [ -n "$PS1" ] && [ ! -e ~/.auto_install_ran ]; then
sudo /etc/auto-install.sh
touch ~/.auto_install_ran
fi
'';
}